<template>
  <div
    v-if="isExternalresult"
    :style="styleExternalIcon"
    class="svg-external-icon svg-icon"
    v-bind="$attrs"
  />
  <svg
    v-else
    :class="svgClass"
    aria-hidden="true"
    v-bind="$attrs"
  >
    <use :xlink:href="iconName" />
    <title v-if="title">{{ title }}</title>
  </svg>
</template>

<script lang="ts">
export default {
  inheritAttrs: false,
};
</script>
<script setup lang="ts">
// icon-class 为 icon 的名字; class-name 为 icon 自定义 class
// <svg-icon icon-class="password"  class-name='custom-class' />

// doc: https://panjiachen.github.io/vue-element-admin-site/feature/component/svg-icon.html#usage
import { isExternal } from "@/utils/validate.ts";

const props = defineProps({
  iconClass: {
    type: String,
    required: true,
  },
  className: {
    type: String,
    default: "",
  },
  title: {
    type: String,
    default: "",
  },
});
const isExternalresult = computed(() => isExternal(props.iconClass));
const iconName = computed(() => `#icon-${props.iconClass}`);
const svgClass = computed(() => {
  if (props.className) {
    return "svg-icon " + props.className;
  } else {
    return "svg-icon";
  }
});
const styleExternalIcon = computed(() => {
  return {
    mask: `url(${props.iconClass}) no-repeat 50% 50%`,
    "-webkit-mask": `url(${props.iconClass}) no-repeat 50% 50%`,
  };
});
</script>

<style scoped>
.svg-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.svg-external-icon {
  background-color: currentColor;
  mask-size: cover !important;
  display: inline-block;
}
</style>
